using Godot;
using System;

public partial class A : Sprite2D
{
	// 声明一个信号
	[Signal]
	public delegate void MySignalEventHandler();

	// Called when the node enters the scene tree for the first time.
	public override void _Ready()
	{
	}

	// Called every frame. 'delta' is the elapsed time since the previous frame.
	public override void _Process(double delta)
	{
		if (Input.IsActionJustPressed("右"))
		{
			// 发射信号
			EmitSignal("MySignal");
		}
	}
}
